Frequencies for first 10,000 rows of last_mo variable in vehicle dataset : LAST | ACCIDENT-MO | NTH | Freq. Percent Cum. ------------+----------------------------------- 0 | 5,524 55.24 55.24 1 | 308 3.08 58.32 2 | 329 3.29 61.61 3 | 335 3.35 64.96 4 | 316 3.16 68.12 5 | 345 3.45 71.57 6 | 341 3.41 74.98 7 | 346 3.46 78.44 8 | 321 3.21 81.65 9 | 335 3.35 85.00 10 | 338 3.38 88.38 11 | 275 2.75 91.13 12 | 322 3.22 94.35 99 | 493 4.93 99.28 . | 72 0.72 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016